linux-ext4 - Re: [PATCH 0/3] Rewrite ext4_page

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Message-ID: <20110511092752.GA5057@quack.suse.cz>
Date:	Wed, 11 May 2011 11:27:52 +0200
From:	Jan Kara <jack@...e.cz>
To:	Ted Ts'o <tytso@....edu>
Cc:	Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 0/3] Rewrite ext4_page_mkwrite, fix fs freezing

On Tue 10-05-11 20:30:12, Ted Tso wrote:
> On Wed, May 11, 2011 at 12:29:31AM +0200, Jan Kara wrote:
> > 
> >   following three patches reimplement ext4_page_mkwrite() so that it returns
> > locked pages (which is necessary for stable pages work and also for fixing of
> > freezing code). As a bonus we also avoid taking i_alloc_sem as it's not
> > necessary and use generic block_page_mkwrite() helper. The common delalloc
> > path should be more straightforward now.
> 
> How does this relate to Darrick Wong's patches?  Are your patches in
> addition to or instead of his?
  It's in addition to those (although with my patches, a generic change to
block_page_mkwrite() would be enough for ext4). If you plan to merge those
now, I can rediff on top of those patches.

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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